The rate dependence of the saturation flow stress of Cu and 1100 Al

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The strain-rate dependence of the saturation flow stress of OFHC Cu and 1100 Al from 10{sup {minus}3}s{sup {minus}1} to nearly to 10{sup 12}s{sup {minus}1} is examined. The flow stress above 10{sup 9}s{sup {minus}1} is estimated using Wallace's theory of overdriven shocks in metals. A transition to the power-law behavior {Psi} {approximately} {tau}{sub s}{sup 5} occurs at a strain rate of order 10{sup 5}s{sup {minus}1}. 10 refs., 2 figs.

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Preston, D.L.; Tonks, D.L. & Wallace, D.C. January 1, 1991.

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The strain-rate dependence of the saturation flow stress of OFHC Cu and 1100 Al from 10{sup {minus}3}s{sup {minus}1} to nearly to 10{sup 12}s{sup {minus}1} is examined. The flow stress above 10{sup 9}s{sup {minus}1} is estimated using Wallace's theory of overdriven shocks in metals. A transition to the power-law behavior {Psi} {approximately} {tau}{sub s}{sup 5} occurs at a strain rate of order 10{sup 5}s{sup {minus}1}. 10 refs., 2 figs.

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Pages: (5 p)

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OSTI; NTIS; GPO Dep.

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  • 1991 American Physical Society (APS) conference on shock compression of condensed matter, Williamsburg, VA (United States), 17-20 Jul 1991

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  • Other: DE92002375
  • Report No.: LA-UR-91-3293
  • Report No.: CONF-9107105--53
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5098729
  • Archival Resource Key: ark:/67531/metadc1056217

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  • January 1, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 7:05 p.m.

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Preston, D.L.; Tonks, D.L. & Wallace, D.C. The rate dependence of the saturation flow stress of Cu and 1100 Al, article, January 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1056217/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.